Table 2. Incidence, MRI detection time, and MRI detection rate on initial or repeat MRI of vascular abnormalities in acute pancreatitis.

Vascular abnormalities	Incidence, % [n]	Mean time of onset to first detection, days [range]	MRI detection rate on initial MRI, % [n]	MRI detection rate on repeat scans, % [n]
Splenic arterial involvement (arteritis)	19.9 [60]	4.5 [1–6]	100.0 [60]	38.3 [23]
Splenic vein involvement (phlebitis)	24.9 [75]	4.6 [1–6]	100.0 [75]	32 [24]
Portal vein involvement (phlebitis)	22.3 [67]	4.7 [1–6]	100.0 [67]	31.3 [21]
Mesenteric superior vein involvement (phlebitis)	15.3 [46]	4.7 [1–6]	100.0 [46]	28.3 [13]
Splenic vein thrombosis	9.0 [27]	14.1 [5–35]	44.4 [12]	55.6 [15]
Portal vein thrombosis	7.3 [22]	15.4 [5–35]	40.9 [9]	59.1 [13]
Mesenteric superior vein thrombosis	5.6 [17]	16.7 [6–35]	41.2 [7]	58.9 [10]
Portal hypertension/varices	9.0 [27]	14.1 [5–35]	44.4 [12]	55.6 [15]
Pseudoaneurysm	1.7 [5]	34.6 [27–52]	0 [0]	100.0 [5]

MRI, magnetic resonance imaging.